package com.demo.security.config;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.security.core.authority.AuthorityUtils;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Component;

@Component
public class MyUserDetailsService implements UserDetailsService {
    private Logger logger = LoggerFactory.getLogger(MyUserDetailsService.class);

    @Autowired
    private PasswordEncoder passwordEncoder;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        logger.info("用户名: {}", username);

        // TODO 根据用户名, 查找对应的密码与权限
        String password = passwordEncoder.encode("123456");
        logger.info("password: {}", password);

        User user = new User(username, password, AuthorityUtils.commaSeparatedStringToAuthorityList("admin"));
        return user;
    }

    @Bean
    public PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }
}
